22520230511 has 16 divisors (see below), whose sum is σ = 23864924160. Its totient is φ = 21207563520.

The previous prime is 22520230493. The next prime is 22520230541. The reversal of 22520230511 is 11503202522.

It is a cyclic number.

It is not a de Polignac number, because 22520230511 - 2¹⁴ = 22520214127 is a prime.

It is a super-2 number, since 2×22520230511² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520230541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 623846 + ... + 658956.

It is an arithmetic number, because the mean of its divisors is an integer number (1491557760).

Almost surely, 2^22520230511 is an apocalyptic number.

22520230511 is a deficient number, since it is larger than the sum of its proper divisors (1344693649).

22520230511 is a wasteful number, since it uses less digits than its factorization.

22520230511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35566.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 22520230511 in words is "twenty-two billion, five hundred twenty million, two hundred thirty thousand, five hundred eleven".